Days after it was launched from Earth, Firefly Aerospace's Blue Ghost lunar lander is cruising in the vacuum in space as it ...

President Donald Trump has said he believes the US will gain control of Greenland, after showing renewed interest in acquiring the autonomous Danish territory in recent weeks. "I think we're going to ...

Many climate experts see its deserts as a place to build the green-energy future. For two local activists, the price is too ...

A private US spacecraft headed to the moon captures a glorious view of Earth - A private U.S. spacecraft has captured ...

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

The Paris agreement is complex and works in a slow bureaucratic manner. It’s a mostly voluntary climate pact originally ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...

During his 30-minute address in the Capitol Rotunda, President Donald Trump vowed to usher in a "tide of change" and pledged ...

The United States will once again consider itself a growing nation, one that increases our wealth, expands our territory, ...

The 47th president denounced the government he now leads as having been captured by ‘a radical and corrupt establishment has ...

Try blue crab and couscous What On Earth drops new podcast episodes every Wednesday ... Write us at [email protected]. (And ...